... used competitive price 1.Welding generator2.DC arc welding and AC synchronous generatorenergy-saving, high efficiency, low heat, long usedcompetitive ... for 10 minutes), whit rated voltage 220V,single phase,50Hz frequency,suitable for lighting,electric fan,other do-mestic uses and ... ,especially suitable for operating in the area of on electric power source.Type 250D/300D4.When applied as a D.C.are ...